pent gone continues actively plan for contingencies for syria, more tough words from the president obama's national security team. >> christians, jews, men, women, every syrian must be included in this process for a new and better future and a future of this kind can not possibly include assad. >> reporter: the administration has been reluctant to get involved militarily in syria for the past 20 months of fighting but recognizes it will likely get drawn in to fill the vacuum when assad goes which is seen as inevitability at this point. pentagon planners recognize they can't sit on the sidelines. there is increasing evidence some of the shoulder-fired missiles known as manpads which the cia were trying to track and contain in libya, may have migrated to syria, bringing down a syrian fighter jet and helicopter last week. then there are reports of chemical weapons, sarin gas being loaded into canisters for possible use. the u.s. set up a task force at a base north of ammon, jordan with 150 u.s. special forces working on a plan to secure assad's chemical weapons. >> the whole world is watching